You are here

Bracket Math

Updated November 19th

By: Luke Benz

The below is a complete table of the metrics used for YUSAG Bracketology. It gives a ranking of teams based on their likelihood of getting an At-Large Bid.

YUSAG Coefficient: Model coefficients for NCAA Hoops prediction model, used in our power rankings. More on model methodology can be found here

RPI: NCAA Rating Percentage Index. RPI is a stupid, outdated way to select tournament teams, yet the NCAA uses it anyway. Did we mention it's stupid? Note that the RPI we use is a projected end of season RPI that updates throughout the course of the season.

Strength of Record (SOR): We calculate strength of record by computing the difference in a team's win total and the number of wins we would expect the average top-25 ranked team (per YUSAG Coefficient) to earn against a given team's schedule. We use projected end of season win total (which updates with each new game outcome) when computing Strength of Record to avoid one strange result skewing this metric

Wins Above Bubble (WAB): The difference in the number of wins a team has compared to the expected number of wins an average "bubble" team would earn against a given teams' schedule. We compute WAB by computing a team's win expected win difference against each of the at-large teams ranked 32-40 by YUSAG coefficient and averaging these differences

The current "blend" formula can be seen below. It may be revised during the season.